Tuesday
October 21, 2014

Posts by ellie


Total # Posts: 213

chemistry
A 51 kg person drinks 330. g of milk, which has a "caloric" value of approximately 3.0 kJ/g. If only 18% of the energy in milk is converted to mechanical work, how high (in meters) can the person climb based on this energy intake? [Hint: The work done in ascending is...
September 18, 2011

Pre-Calc
Please check answer and help with one of them: 1. check please car in an accident speed of car is the s, d is length of skid=30 feet f is coefficient=0.5 use formula to find s=sqaure root of 30*f*d My answer is 21.21 because I took square root of 30(0.5)(30) 2. this one is ...
September 18, 2011

Algebra
How many terms are in this sum? 5x-6a+8
September 13, 2011

Accounting
40,000 / end of year 130,000
August 16, 2011

English
Thank you Ms. Sue In continuing with the medium question twitter I say I like Paris but email to my boss I like Paris because of the food and scenery. College formal essay I go into depth of why I like Paris. Is that difference?
July 14, 2011

English
How does the medium in which you are communicating your message influence your writing and editing styles? I think it means medium of writing is what type of writing the person is doing. But I am not sure help please :-) I am a little confused.
July 14, 2011

calculus
A police car is driving northward, chasing a vehicle which has just taken a right turn at an intersection, and is travelling due west. When the police car is 600 yards south of the intersection, and the car is 800 yards east of the intersection, an aerial speed radar indicates...
April 12, 2011

music
which one of the following pieces of music would you most expect to be played by a full orchestra
April 6, 2011

Spanish 8th grade
Thank you-
April 5, 2011

Spanish -Please check-I think I got it8th grade
I think I figured it out. It would be Tengo ganas de estudiar. Tengo ganas de correr Tengo ganas de tocar la fluta.
April 5, 2011

Spanish 8th grade
I have to write a sentence saying that I feel like doing some activity say playing baseball of football-it doesn't matter. We are suppose to use the tener form so I'm really confused. Thanks for helping. I thought it would Me gustaria(accent over i) jugar whatever but ...
April 5, 2011

Physics-Help-I'm Stuck
Thanks for confirming it
April 5, 2011

Physics Please recheck-Help-I'm Stuck
I totally forgot about that formula-so then the magnitude would be decreased by a factor of 1/2 raised to the second power- would it be 1/4 or .25
April 5, 2011

Physics-Help-I'm Stuck
If a balloon is made of Mylar(alumized plastic) instead of rubber, would it stick to a wall if you rubbed the balloon against a wool sweater? If a charged balloon is held a distance "d" above some paper bits they start to move. If the balloon is moved half as close, ...
April 5, 2011

algebra
199 miles
March 29, 2011

algebra
20 miles
March 29, 2011

biology 101
describe ecosystem of temperate rain forest population growth and regulation thru community interactions
March 29, 2011

reserch
Iwould assume color of skin and hair ,sun reacts to darkness-hair is dark suns attracted -if there was heat no sun id remove all hair
March 29, 2011

math
Decide whether the pair of lines is parallel, perpendicular or neither: 2x+3y=3 2x+3y=10
March 20, 2011

Physics
Thanks you so much! I just saw that there was a part two in which it says, "what does it sound like when you hear his sentence?" He said, "Hey! Finish your test!" I don't know how to answer this...?
March 19, 2011

Physics
Superman is a character from the DC Comics universe with superhuman abilities. One day in the city of Metropolis you look to the skies only to see Superman passing directly over your head as he races to save Lois Lane from some imminent threat. Not in too much of a rush, ...
March 19, 2011

English 9-Please recheck answer and provide some d
Thank you for all your help-I realy appreciate it
March 13, 2011

Spanish 7th grade
Sorry I sent it with my sister's name-she was asking something earlier Sorry about the confusion
March 13, 2011

Spanish 7th grade
I have a question about how to answer this If something is dulce, one would probably want to drink lemonade or a sour drink with it. I know dulce is sweet in Spanish but I don't get the correlation-or is it if you eat something sweet, you want to offset it with something ...
March 13, 2011

chemistry
What's the particle diagram of Carbon monoxide? Thank you
February 14, 2011

science
Are there articles about guinea pig and hamster speed through a maze?
February 12, 2011

Math
on july 16, 1882, a massive thunderstorm over Dubuque, Iowa, produced huge hailstones. The diameter of some of the hailstones was 17 in. ICe weighs about 0.033 lb/in^3;. Whas is the approximate weightof a 17 in. hailstone?
January 13, 2011

math
how to solve logarithms symbolically? log17(17)^(x+3)= log7(1) thank you
August 24, 2010

Math
Jack is standing next to a monument in the city square. His shadow is 18 feet long. The shadow of the monument is 150 feet long. If Jack is 6 feet tall, how tall is the monument
August 20, 2010

chemistry
what is the standard enthalpy formation of liquid diethylamine (CH3CH2)2 NH? N2O5(g) + 8CH4(g) ==> 2(CH3CH2)2NH(l) +5H2O(l), delta H= -1103kJ
June 21, 2010

chemistry
a 47.7L sample of a gaseous hydrocarbon, measured at 1.00atm and 25degreesC is burned in excess oxygen, liberating 4.33X10^3 kJ of heat at a constant pressure. what is the identity of the hydrocarbon?
June 21, 2010

chemistry
a 3.35g sample of solid silver reacted in excess chlorine gass to give a 4.45g sample of pure solid AgCl. the heat given off was 3.95kJ at constant pressure. what is th enthalpy of formation of AgCl?
June 21, 2010

chemistry
the molar mass of an unknown gas was measured by an effusion experiment. it took 63s for te gas to effuse. where as nitrogen gas took 48sec. what is the molar mass of the gas? 32g/mol 37g/mol 24g/mol 16g/mol 48g/mol
June 21, 2010

chemistry
what is the oxidizing agent in the equation 8H(aq)+ 6Cl(aq)+ Sn(s)+ 4NO3(aq)yields SnCl6(aq)+ 4NO2(g)+ 4H2O
June 19, 2010

Chemistry
A precipitate will be formed when an aqueous carbonic acid soution is added to what other aqueous solution? A. ammonium chloride B. calcium hydroxide C. Sodium Chloride D. Potassium carbonate E. Nitrous acid
June 19, 2010

Chemistry
yes but is SeO3 Soluble? i do not know if it can break apart, it is not on the chart
June 19, 2010

Chemistry
what is the net ionic equation for NaOH + H2SeO3?
June 19, 2010

Geometry cheak
Decide whether the pair of lines is parallel, perpendicular or neither: 2x+3y=3 2x+3y=10
June 11, 2010

physical geography
Regarding to the adiabatic Process.. Why is there a DRY ADIABATIC RATE and a SATURATED ADIABATIC RATE?
March 26, 2010

physical science08
regarding the Adiabatic Process.... why is their a dry adiabatic rate and a saturated adiabatic rate?
March 26, 2010

History
important enough for us to have freedom of speech... as if we the citizens wouldnt of have approved the constitution we would probably be governed under one government; no different political parties, we would do as we are told so from thee great ruler; the president
March 26, 2010

physical geography
why doea a rising parcel of unsaturated air cool more rapidly than a rising parcel of saturated air??
March 26, 2010

spanish
1. partido 2. campo 3. recive... mete
March 25, 2010

spanish
yo ago mi tarea en clase
March 23, 2010

Chemistry
In a run involving 1.00 mL 2.50 * 10^-3 FE and 1.00 mL of 2.50 * 10^-3 SCN solutions made up to a total volume of 10.0 mL, the concentration of complex formed at equilibrium was found to be 4.44 * 10^-5. What are the equilibrium concentrations of Fe^3+ and SCN^-? I tried m1v1=...
February 22, 2010

Science
Explaining how ear defenders work using the big idea of energy transfer?
February 17, 2010

physics
10^5 V/m
February 13, 2010

10th grade, spanish three
deopends me habla un amigo(guy friend) me habla una amiga(female friend) me habla mi mama(mother) me habla mi papa(father) depends
February 11, 2010

10th grade, spanish three
you mean "quien te abla por telefono todo los dias?
February 11, 2010

History
i have the same assignment and pretty much the same answer :)+
November 30, 2009

Physics
anyone????
November 16, 2009

Physics
Useful Constants: 1 Torr = 133.32 Pa; R = 8.3145 J/mol·K You have a thin metal sphere of unknown volume that contains helium gas at low pressure. You put the entire metal sphere into a bath of liquid nitrogen, and a pressure gauge on the sphere indicates a pressure of ...
November 16, 2009

maths
is the following a function and if so is it inective, surjective or bijective: f: R-->R where f(x)=|x|
November 15, 2009

Ap Physics
it basically two tubes connected with a line, one to 10 cc has a weight put on top of it the second one 50cc has a force probe put on top of it. the weight changes force in first and causes the force and pressure in second to change. it basically using Pascal's Principal.
November 12, 2009

Ap Physics
Read the activity 2-1:Force and Pressure in the lab manual (pages 167-168). As described in the manual, consider a 10 cc syringe is connected to a 50 cc syringe. Information of the syringes are as follows: (mass of 10 cc piston) = 16 g (mass of 50 cc piston) = 60.6 g (diameter...
November 12, 2009

Physics
should not F2=F1*A2/A so F2=646.8*(615.752/169.71) F2=2346.759
November 12, 2009

Physics
i tried 646.8/169.71=F2/615.752 and tried solving for F but i am getting 2346.759 and it just not right..
November 12, 2009

Physics
So since i know F/A=F/A I'm just confused on how it affects one another....
November 12, 2009

Physics
ok so. I solved first part with F/A i got .9239 kPa. second part i solved to i just added the forces. I got 3.811 kPa. The last two i am having difficulty with....
November 12, 2009

Physics
Read the activity 2-1:Force and Pressure in the lab manual (pages 167-168). As described in the manual, consider a 10 cc syringe is connected to a 50 cc syringe. Information of the syringes are as follows: (mass of 10 cc piston) = 16 g (mass of 50 cc piston) = 60.6 g (diameter...
November 12, 2009

Help Physics 1 question
i tried .0003493 and -.0003493 but both are wrong where am i messing up exactly?
November 5, 2009

Help Physics 1 question
Period=1.4 seconds gravitational acceleration=9.8 m/s^2 length of string=.4865m angle is 3 degrees acceleration from that angle is=.5129 m/s^2 change in bobs height from release to bottom of arc=.000667m bobs speed at bottom of arc=.1143 m/s so i done all the questions and ...
November 5, 2009

Math
u=-3 45/-15
November 4, 2009

Physics
b i got a=gsin(3)=.5129
November 4, 2009

Physics
You want to make an old-fashioned pendulum clock, with a period of exactly 1.4 second(s). Use the Earth's gravitational acceleration g = 9.8 m/s2. a) Ignoring the size of the pendulum bob, from what length wire should you hang your pendulum bob? .4865 m b) If you release ...
November 4, 2009

Physics
The moment of inertia of an object depends on the shape of the object, location and orientation of the axis of rotation. For a solid disk, when the disk is rotating about an axis that is perpendicular to the disk and passing through the center of the disk, the moment of ...
October 29, 2009

math
For an arithmetic sequence, a_{19} = 78. If the common difference is -3, find a_1 = (i found it to be 132) the sum of the first 57 terms =?? -I know there is a formula but i cant think of what it is
October 25, 2009

math
i figured out what i was doing thank you so much!
October 25, 2009

math
oh yeah sorry i wrote that wrong i put -168-8n but it still said my answer was wrong
October 25, 2009

math
-Write the arithmetic sequence 21,13,5,-3... in the standard form: a_n= -a_n=a_1+(n-1)d--so a_n=21+(n-1)-8 *a_n=-168-8n why isnt this right?
October 25, 2009

math
Determine the seating capacity of an auditorium with 10 rows of seats if there are 10 seats in the first row, 16 seats in the second row, 22 seats in the third row, 28 seats in the forth row, and so on ???
October 25, 2009

social studies
thanks so much i found the answer
October 24, 2009

social studies
p.s. i forgot to put remains in the oraginal question.
October 24, 2009

social studies
i mean why cant we find the remain off the Spanish missions left.
October 24, 2009

social studies
why we can't find many of the Spanish missions from this period in Florida?
October 24, 2009

math please please!
Is this correct? Write an explicit and recursive formula: -5,-4,-3,-2,-1... explicit: -5N+1 recursive:An-1+1
October 23, 2009

math
-2x^2<30 1/abs value(11-9x)=6 Please show me how to do these two!!
October 6, 2009

Science
Which moon would look the brightest from jupiter and why?
July 5, 2009

Social Studies (France and nuclear arms)
follow up question: what are some reasons that france have the right to nuclear arms? i know that in general it's for security and power but i dont know the specifics...... security, it's not like they have any threats right? and power.. im not sure what to say about that
June 9, 2009

japan
shukudai しゅくだい 宿題
June 9, 2009

Social Studies (France and nuclear arms)
what are some reasons that france have the right to nuclear arms? i know that in general it's for security and power but i dont know the specifics......
June 8, 2009

Social Studies (France and nuclear arms)
can anyone educate me about why france should have the right to nuclear arms?? and be specific about what the arms and rights are? please please please! i need to argue about it. thank you!
June 8, 2009

science
What is the unit for magnetic circuit?
March 29, 2009

maths
9 hours
March 15, 2009

social studies
Does apartheid still exist in some ways in South Africa? Explain.
January 4, 2009

social studies
What needs to take place to bridge the economic gap between whites and blacks in South Africa?
January 4, 2009

science-urgent
i still don't get how they're different. What are 4 differences between them?
November 24, 2008

science-urgent
What are differences between Continental Drifts and Plate Tectonics? I need at last 4 for each. Please help its urgent!!!!! Thanks a bunch! Ellie
November 24, 2008

Math
Ok we are doing distributive property in math and I'm so confused on some of the problems. the problems are: 9+(x-4) 5-4x-5/-4 4(3x-2y)-3(4x-3y) 7(r+s)-(r-s) 3y-2(x-2y) Thank you so much for your help. Ellie
November 23, 2008

4th grade English
No
November 20, 2008

4th grade Math
That means you have to multiply the numbers. The product is what you call the answer.
November 18, 2008

Chem
what product could you see in a flask when you cobined copper and sodium. basically what is the name for copper and sodium when combined
October 22, 2008

Math
What represants 5yards
October 18, 2008

ecology
Thanks!
September 14, 2008

ecology
Describe the abiotic conditions in a chaparral ecosystem? where is this ecosystem located? thanks!
September 14, 2008

science
How does a chemical beome neutral?
June 24, 2008

science acids
hello
June 23, 2008

science acids
you were a big help thanks again
June 23, 2008

science acids
how come bile from your digestive system is acid [how does this occur ] ? thanks 4 the help
June 23, 2008

French
you are perfectly right
June 22, 2008

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